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bisembinagulnar
@bisembinagulnar
July 2022
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1) Cu → CuO→ CuCl(2)→ Cu(OH)2 →CuO →CuSO(4)
2) AlCl(3) → Al(OH)3→ Al2O3→ Al2(SO4)3 →Al(OH)3→ Al(OH)2Cl
3) Na2O→ NaOH→ NaHSO4 →Na2SO4
4) CaCO3→ CaO →Ca(OH)2 →Ca(HCO3)2 →CO2
помогите решать пожалуйстаа))
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Кот135
1)CaCO3=CaO+CO2 (реакция разложения- при t)2)CaO+H2O=Ca(OH)23)Ca(OH)2+CO2=CaCO3+H2O4)CaCO3+CO2+H2O=Ca(HCO3)25)Ca(HCO3)2=CaCO3+CO2+H2O (реакция разложения- при t)
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Thanks 3
Кот135
2Сu+O2->2CuO
CuO+2HCl->CuCl2+H2O
CuCl2+2NaOH->Cu(OH)2+2NaCl
Cu(OH)2->CuO+H2O
CuO+H2SO4->CuSO4+H2O
Кот135
2Cu + O2 = 2CuO CuO + 2HCL = CuCL2 + H2O CuCL2 + 2NaOH = 2NaCL + Cu(OH)2 Cu(OH)2 = CuO + H2O CuO + H2SO4 = CuSO4 + H2O ALCL3 + 3NaOH = 3NaCL + AL(OH)3 2AL(OH)3 = AL2O3 + 3H2O AL2O3 + 3H2SO4 = AL2(SO4)3 + 3H2O AL2(SO4)3 + 6NaOH = 2AL(OH)3 + 3Na2SO4 AL(OH)3 + HCL = AL(OH)2CL + H2Oлучит Na2O + H2O = 2NaOH NaOH + H2SO4 = NaHSO4 + H2O NaHSO4 + NaOH = Na2SO4 + H2O SO3получить нельзя. CaCO3 = CaO + CO2 CaO + H2O + Ca(OH)2 Ca(OH)2 + CO2 = Ca(HCO3)2 Ca(HCO3)2 = CaO + 2CO2 + H2O
bisembinagulnar
Вы химик?
bisembinagulnar
вам спасибо)))*
Кот135
пусть будет так:3
bisembinagulnar
:-D. :-)
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Answers & Comments
CuO+2HCl->CuCl2+H2O
CuCl2+2NaOH->Cu(OH)2+2NaCl
Cu(OH)2->CuO+H2O
CuO+H2SO4->CuSO4+H2O